Author Topic: LIVE: CCDev-2 Awards and Decision Discussion - April 18  (Read 220596 times)

Offline Namechange User

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Re: LIVE: CCDev-2 Awards and Decision Discussion - April 18
« Reply #260 on: 04/20/2011 02:37 am »
It's technically possible, but not currently on the horizon, to make up for lost shuttle capabilities with a combination of new systems.  But what would it take to enable replacement of, say, ISS solar arrays, SARJ units, etc?  The combination of cargo and crew, and the shuttle's remote manipulator system, add a unique capability. 

Except that the station already does have an (even more capable) arm, and, depending on the size, there are several option for getting any of those components to station. HTV, Cygnus, and standard Dragon can bring any of the smaller components, while Dragon on a Falcon Heavy could launch an entire node if needed.

And all of them are at least four times cheaper than a shuttle flight. That's superior.

Quote
Also, as mentioned, there is the downmass capability that's being lost.

Which is used for what, exactly? Besides LDEF and Solar Max (both kinda stunts), what downmass won't fit in a Dragon?

You know what, I'll leave that one to vt_hokie...I've done this rant for far too long now (years)

Me too... simonbp can bloody well search our past posts for the answer to this. I know he's been a member long enough to have seen at least one of mine.

Or mine.  Or others too.  After a while it just seems some have other motives.
Enjoying viewing the forum a little better now by filtering certain users.

Offline Fuji

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Re: LIVE: CCDev-2 Awards and Decision Discussion - April 18
« Reply #261 on: 04/20/2011 04:36 am »
Is the CCDev-2 press conference archived anywhere?


May be here.
  L-1 Day -- Thursday, April 28
  11 a.m. -- CCDev2 Briefing
     - Participants TBD
http://www.nasa.gov/mission_pages/shuttle/news/134_hours_events.html

Offline alexw

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Re: LIVE: CCDev-2 Awards and Decision Discussion - April 18
« Reply #262 on: 04/20/2011 05:52 am »
Quote
Also, as mentioned, there is the downmass capability that's being lost.
Which is used for what, exactly? Besides LDEF (kind of a stunt), what downmass won't fit in a Dragon?
You have failed or depleted ORU's which can be returned to the ground, investigated using all magnitudes of equipment/skilled technicians on the ground, refurbished, and then replaced.  SO one can actually enhance and learn from onorbit experience rather than simply accept the idea of having to toss a component out without understanding what went wrong.  I bet many people on the ground will appreciate the fact that the failed pump module is going to be returned, and might even be launched again.
    It's not all ORUs, only some, and if it's really needed, capabilities may be improved for a little engineering work.

    For the pump module, it's not clear why it would be completely infeasible to leave it outside exposed to the sun, let a few [hundred] solar bake (+freeze) cycles cause vacuum outgassing of most of the glycol, then EVA and bag it up. If it fits through Quest and CBM, then in principle it ought to be possible to bring it down via Dragon.
     
    That may not be an off-the-shelf mission, but neither are many of Shuttle's. When a new capability was needed, STS was flexible enough to accommodate changes. Why would the Commercial contractors be less willing to try than JSC and Marshall, etc?

    But certainly there does seem to be a case for sizing future ISS ORUs (or ORU-halves) with Quest in mind.
 
     -Alex

Offline wally

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Re: LIVE: CCDev-2 Awards and Decision Discussion - April 18
« Reply #263 on: 04/20/2011 06:37 am »
As many others, I'm starting to like Dream Chaser. Horrible name, I hope they will change it in the near future, but since we'll be left with no active shuttles to love, I always prefer a flying vehicle to a fallling capsule, at least for artistic reasons (although I'm also impressed by Dragon and SpaceX recent activities).

Offline yg1968

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Re: LIVE: CCDev-2 Awards and Decision Discussion - April 18
« Reply #264 on: 04/20/2011 01:35 pm »
I'm going to try to say this with class for a man who has given much of his life to reporting on NASA. He is part of the old guard and he may be out of touch with current thinking. I could get mad and say more but, it would only make me look bad. Personally, I'm slightly mifted at the man. When he was reporting at the pre flight conference for COTS 1, he kept saying that Dragon/Falcon would overfly Europe putting the continent at risk. Then he called Gwynne Shotwell "sir".

I do not care for him or his reporting... this goes back to the early 80s.  I just hope he gets to cover Falcon and Dragon HSF.  I hope I can personally ask him how that neophyte SpaceX is doing.  Or Boeing.  Or SNC.  Or Blue Origin.

I simply do not care.

He wants Liberty.  No frakking thank you.
The builder of the Apollo capsule a Neophyte?  A company in business since 1963, a neophyte?

Oh, more than that.

McDonnell-Douglas, builder of Mercury, Gemini, the Delta family, Saturn S-IVB stage, Skylab, and one of the contractors for Space Station Freedom (now ISS), is now part of Boeing.

Rockwell, builder of the Saturn S-II stage, Apollo CSM, and Space Shuttle Orbiter, is now part of Boeing.

Boeing in its own right was the builder for the Saturn S-IC stage, a contractor for Space Station Freedom, and prime contractor for ISS.

Boeing was teamed with Northrup-Grumman for the CEV contract, and the CST-100 has at least some design heritage from their losing bid.

So Boeing has at least some heritage to every NASA manned spacecraft, with the exception of the Apollo LM.

In his article, Barbree made an exception for Boeing. He said that they were the only ones that were not neophytes.
« Last Edit: 04/20/2011 01:43 pm by yg1968 »

Offline yg1968

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Re: LIVE: CCDev-2 Awards and Decision Discussion - April 18
« Reply #265 on: 04/20/2011 01:37 pm »
It's technically possible, but not currently on the horizon, to make up for lost shuttle capabilities with a combination of new systems.  But what would it take to enable replacement of, say, ISS solar arrays, SARJ units, etc?  The combination of cargo and crew, and the shuttle's remote manipulator system, add a unique capability. 

Except that the station already does have an (even more capable) arm, and, depending on the size, there are several option for getting any of those components to station. HTV, Cygnus, and standard Dragon can bring any of the smaller components, while Dragon on a Falcon Heavy could launch an entire node if needed.

And all of them are at least four times cheaper than a shuttle flight. That's superior.

Quote
Also, as mentioned, there is the downmass capability that's being lost.

Which is used for what, exactly? Besides LDEF and Solar Max (both kinda stunts), what downmass won't fit in a Dragon?

You know what, I'll leave that one to vt_hokie...I've done this rant for far too long now (years)

Me too... simonbp can bloody well search our past posts for the answer to this. I know he's been a member long enough to have seen at least one of mine.

I would be curious to see your response on this. Can you provide a link to your previous post on this? Thanks.

Offline yg1968

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Offline yg1968

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Re: LIVE: CCDev-2 Awards and Decision Discussion - April 18
« Reply #267 on: 04/20/2011 01:49 pm »
Is the CCDev-2 press conference archived anywhere?


May be here.
  L-1 Day -- Thursday, April 28
  11 a.m. -- CCDev2 Briefing
     - Participants TBD
http://www.nasa.gov/mission_pages/shuttle/news/134_hours_events.htm

This appears to be a different event. I imagine that they will have a press conference with the winners attending. If so, it should be interesting. Hopefully, reporters will get to ask questions to the CCDev-2 companies.
 

« Last Edit: 04/20/2011 01:54 pm by yg1968 »

Online Ronsmytheiii

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Re: LIVE: CCDev-2 Awards and Decision Discussion - April 18
« Reply #268 on: 04/20/2011 01:51 pm »
    For the pump module, if it fits through Quest and CBM,

The Quest hatch is extremely small, and there are few items that can fit through it.  ORU's are designed to the size specifications needed to function, not go through the hatch.  The only items that can fit through the airlock hatch are EVA tools, a few cameras, and the MiSSE experiments not to mention the fact that the EV crew members have to be in the airlock as it is re-pressurized, limiting the size of what is carried.  Commercial is yet to propose to field the ability to return external ORU's and probably will never bother.

Edit: Image of the Pump ORU, and the internal airlock hatch which is the bigger one, but still dont think it would fit on its own let alone with EV crew members:
« Last Edit: 04/20/2011 02:41 pm by Ronsmytheiii »

Offline Downix

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Re: LIVE: CCDev-2 Awards and Decision Discussion - April 18
« Reply #269 on: 04/20/2011 02:10 pm »
I'm going to try to say this with class for a man who has given much of his life to reporting on NASA. He is part of the old guard and he may be out of touch with current thinking. I could get mad and say more but, it would only make me look bad. Personally, I'm slightly mifted at the man. When he was reporting at the pre flight conference for COTS 1, he kept saying that Dragon/Falcon would overfly Europe putting the continent at risk. Then he called Gwynne Shotwell "sir".

I do not care for him or his reporting... this goes back to the early 80s.  I just hope he gets to cover Falcon and Dragon HSF.  I hope I can personally ask him how that neophyte SpaceX is doing.  Or Boeing.  Or SNC.  Or Blue Origin.

I simply do not care.

He wants Liberty.  No frakking thank you.
The builder of the Apollo capsule a Neophyte?  A company in business since 1963, a neophyte?

Oh, more than that.

McDonnell-Douglas, builder of Mercury, Gemini, the Delta family, Saturn S-IVB stage, Skylab, and one of the contractors for Space Station Freedom (now ISS), is now part of Boeing.

Rockwell, builder of the Saturn S-II stage, Apollo CSM, and Space Shuttle Orbiter, is now part of Boeing.

Boeing in its own right was the builder for the Saturn S-IC stage, a contractor for Space Station Freedom, and prime contractor for ISS.

Boeing was teamed with Northrup-Grumman for the CEV contract, and the CST-100 has at least some design heritage from their losing bid.

So Boeing has at least some heritage to every NASA manned spacecraft, with the exception of the Apollo LM.

In his article, Barbree made an exception for Boeing. He said that they were the only ones that were not neophytes.
And he would be wrong there as well, considering Sierra Nevada almost 50 year history.
chuck - Toilet paper has no real value? Try living with 5 other adults for 6 months in a can with no toilet paper. Man oh man. Toilet paper would be worth it's weight in gold!

Offline yg1968

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Re: LIVE: CCDev-2 Awards and Decision Discussion - April 18
« Reply #270 on: 04/20/2011 02:20 pm »
And he would be wrong there as well, considering Sierra Nevada almost 50 year history.

Sierra Nevada only acquired SpaceDev in December 2008. But SpaceDev had been founded by Jim Benson in 1997. But I didn't like Barbree's article either. He has been anti-commercial crew for a while. So I am not really surprised by this article.
« Last Edit: 04/20/2011 02:27 pm by yg1968 »

Offline Downix

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Re: LIVE: CCDev-2 Awards and Decision Discussion - April 18
« Reply #271 on: 04/20/2011 02:24 pm »
And he would be wrong there as well, considering Sierra Nevada almost 50 year history.

Sierra Nevada only acquired SpaceDev in December 2008. But SpaceDev had been founded by Jim Benson in 1997.
And SNC themselves were founded in 1963. They have made systems for the Air Force since the begining, including for those space oriented.
chuck - Toilet paper has no real value? Try living with 5 other adults for 6 months in a can with no toilet paper. Man oh man. Toilet paper would be worth it's weight in gold!

Offline rcoppola

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Re: LIVE: CCDev-2 Awards and Decision Discussion - April 18
« Reply #272 on: 04/20/2011 03:11 pm »
On Pg. 16, paragraph 3, The selection Statement Final pdf states:

"ULA did not adequately describe the commercial market(s) to which it will provide products and services and the plan for marketing and selling company products and services, all key business considerations."

I find this very odd. Does ULA not have plans beyond providing launch services to Boeing/Bigelow and SNC? Do they need one beyond that? It worries me they provided no such guidance. If/when F9H competes for Gov't launch contracts, won't ULA need an additional business case for launch services?

Additionally, will US DOD require ULA to separate crew Vs. Sat launch services so as to mitigate any future DOD launch risk with regards to evolving Atlas V for crewed launch?
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Offline Rocket Science

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Re: LIVE: CCDev-2 Awards and Decision Discussion - April 18
« Reply #273 on: 04/20/2011 08:45 pm »
As a pilot I guess I am a little biased toward the Dream Chaser... I know...I know... wings are useless in space. That thinking would disparage the magnificent winged orbiter that served us for the last 30 years years and the many great people that kept her flying. I don't know about you, but as an American, I sit up a little straighter and smile each time I watch the orbiter at main gear touchdown. There is a intangible statement... witnessed world-wide at each successful wheels stop. I am going to miss that double sonic boom for a couple of years until the Dream Chaser announces her arrival for the fist time over the skies of Florida and once again we will all sit up a little straighter and smile at her main gear touch down. She will pay homage to program that came before her... never to replace it only to succeed it.

Regards
Robert
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Offline agman25

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Re: LIVE: CCDev-2 Awards and Decision Discussion - April 18
« Reply #274 on: 04/20/2011 08:48 pm »
Is a lifting body a "winged" vehicle?

Offline Robotbeat

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Re: LIVE: CCDev-2 Awards and Decision Discussion - April 18
« Reply #275 on: 04/20/2011 08:49 pm »
Interesting point: flying in the atmosphere without wings (i.e. Zeppelins) is cool. Orbiting outside the atmosphere with wings is also cool (Shuttle). ;)
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Offline vt_hokie

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Re: LIVE: CCDev-2 Awards and Decision Discussion - April 18
« Reply #276 on: 04/20/2011 08:54 pm »
Is a lifting body a "winged" vehicle?

Good question, but regardless, I agree with the previous post.  There's something more dignified about a runway landing than fishing a capsule out of the ocean. 

Offline Rocket Science

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Re: LIVE: CCDev-2 Awards and Decision Discussion - April 18
« Reply #277 on: 04/20/2011 09:05 pm »
Well in the HL-10 and X-24, X-38 and with the HL-20 lifting body family the twin dehidral are aerofoil in cross section. The orbiter generates lift from both its fusalage and wings of course. The most pure lifting body was probably the half cone M2-F2 and M3-f3. Steve Austins ride!!
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Offline SpacexULA

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Re: LIVE: CCDev-2 Awards and Decision Discussion - April 18
« Reply #278 on: 04/20/2011 09:06 pm »
Wow, Jay Barbree in this article/editorial (not sure which it is) seems to be pretty unhappy with CCDev and is particularly unhappy that ATK wasn't chosen:

"NASA's future depends on spaceflight neophytes"

Don't worry Mr. Barbree, we are still putting way more money into the Orion Capsule per year than we have put into Dragon to date, and Orion has a 34 month head start on Dragon.  Also your right SpaceX is a "neophyte" compared to LM, surely they are still playing with powerpoints of their capsule over at SpaceX .

Those Nubes.

« Last Edit: 04/20/2011 09:06 pm by SpacexULA »
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Online robertross

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Re: LIVE: CCDev-2 Awards and Decision Discussion - April 18
« Reply #279 on: 04/20/2011 09:55 pm »
Is a lifting body a "winged" vehicle?

Good question, but regardless, I agree with the previous post.  There's something more dignified about a runway landing than fishing a capsule out of the ocean. 

Second that.

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